public void PrimesTest2() { IEnumerable <long> expected = new long[] { 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31 }; IEnumerable <long> actual = SpecializedSets.Primes(31); Assert.IsTrue(expected.SequenceEqual(actual)); }
public void FactorialsTest() { IEnumerable <long> expected = new long[] { 1, 2, 6, 24, 120, 720, 5040, 40320, 362880, 3628800 }; IEnumerable <long> actual = SpecializedSets.Factorials().ToArray().Take(10); //Force calculating all (19) factorials Assert.IsTrue(expected.SequenceEqual(actual)); }
public void FibsTest() { IEnumerable <long> expected = new long[] { 1, 2, 3, 5, 8, 13, 21, 34, 55, 89 }; IEnumerable <long> actual = SpecializedSets.Fibs().ToArray().Take(10); //Force calculating all (90) fibs Assert.IsTrue(expected.SequenceEqual(actual)); }
public void IsPrimeTest() { long input = 1; bool expected = false; bool actual = SpecializedSets.IsPrime(input); Assert.IsTrue(actual == expected); }
public void ToDigitsTest() { long input = 12345678; IEnumerable <int> expected = new int[] { 1, 2, 3, 4, 5, 6, 7, 8 }; IEnumerable <int> actual = SpecializedSets.ToDigits(input); Assert.IsTrue(expected.SequenceEqual(actual)); }
public void ToNumberTest() { int[] digits = new int[] { 1, 2, 3, 4, 5, 6 }; long expected = 654321; long actual = SpecializedSets.ToNumber(digits); Assert.IsTrue(expected == actual); }
public void SumOfDigitsTest2() { long value = 123456; long expected = 21; int actual = SpecializedSets.SumOfDigits(value); Assert.IsTrue(expected == actual); }
public void IsPromeTest() { bool actual; actual = SpecializedSets.IsPrime(1); Assert.IsFalse(actual); actual = SpecializedSets.IsPrime(2); Assert.IsTrue(actual); actual = SpecializedSets.IsPrime(3); Assert.IsTrue(actual); actual = SpecializedSets.IsPrime(4); Assert.IsFalse(actual); }
public void DivisorsTest() { IEnumerable <long> expected; IEnumerable <long> actual; expected = new long[] { 1, 2, 2823439, 5646878 }; actual = SpecializedSets.Divisors(5646878).OrderBy(x => x); Assert.IsTrue(expected.SequenceEqual(actual)); expected = new long[] { 1, 3, 7, 9, 21, 63, 89633, 268899, 627431, 806697, 1882293, 5646879 }; actual = SpecializedSets.Divisors(5646879).OrderBy(x => x); Assert.IsTrue(expected.SequenceEqual(actual)); expected = new long[] { 1, 3, 9, 19, 57, 171, 3829603, 11488809, 34466427, 72762457, 218287371, 654862113 }; actual = SpecializedSets.Divisors(654862113).OrderBy(x => x); Assert.IsTrue(expected.SequenceEqual(actual)); }
public void PrimeFactorsTest() { IEnumerable <long> expected; IEnumerable <long> actual; expected = new long[] { 233, 577, 4871 }; actual = SpecializedSets.PrimeFactors(654862111); Assert.IsTrue(expected.SequenceEqual(actual)); expected = new long[] { 2, 37, 553093 }; actual = SpecializedSets.PrimeFactors(654862112); Assert.IsTrue(expected.SequenceEqual(actual)); expected = new long[] { 2, 3, 11, 17 }; actual = SpecializedSets.PrimeFactors(57222); Assert.IsTrue(expected.SequenceEqual(actual)); }
public void PrimeDivisorsTest() { IEnumerable <long> expected; IEnumerable <long> actual; expected = new long[] { 233, 577, 4871 }; actual = SpecializedSets.PrimeDivisors(654862111); Assert.IsTrue(expected.SequenceEqual(actual)); expected = new long[] { 2, 2, 2, 2, 2, 37, 553093 }; actual = SpecializedSets.PrimeDivisors(654862112); Assert.IsTrue(expected.SequenceEqual(actual)); expected = new long[] { 3, 31, 101, 697181 }; actual = SpecializedSets.PrimeDivisors(6548621133); Assert.IsTrue(expected.SequenceEqual(actual)); expected = new long[] { 2, 1429, 229133 }; actual = SpecializedSets.PrimeDivisors(654862114); Assert.IsTrue(expected.SequenceEqual(actual)); }